{"cve":"CVE-2021-33317","nvd":{"published":"2022-05-11T18:15:22.783","modified":"2026-06-17T03:54:26.180","status":"Modified","description":"The TRENDnet TI-PG1284i switch(hw v2.0R) prior to version 2.0.2.S0 suffers from a null pointer dereference vulnerability. This vulnerability exists in its lldp related component. Due to fail to check if ChassisID TLV is contained in the packet, by sending a crafted lldp packet to the device, an attacker can crash the process due to null pointer dereference.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-476"],"references":["https://www.trendnet.com/support/view.asp?cat=4&id=81","https://www.trendnet.com/support/view.asp?cat=4&id=81"],"products":["trendnet:teg-30102ws_firmware","trendnet:ti-g102i_firmware","trendnet:ti-g160i_firmware","trendnet:ti-g642i_firmware","trendnet:ti-pg102i_firmware","trendnet:ti-pg1284i_firmware","trendnet:ti-pg541i_firmware","trendnet:ti-rp262i_firmware","trendnet:tpe-30102ws_firmware"],"source":"nvd","synced_at":"2026-10-19T21:31:59.322382750+00:00"},"epss":{"cve":"CVE-2021-33317","score":0.0093,"percentile":0.6061,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}